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Apart from structural wood preservation measures, there are a number of different chemical preservatives and processes (also known as timber treatment, lumber treatment or pressure treatment) that can extend the life of wood, timber, and their associated products, including engineered wood. These generally increase the durability and resistance ...
Copper naphthenate is an active ingredient used predominantly in industrial and commercial wood preservation for non-pressure (dip/brush/spray) and pressure treatments (vacuum/full cell) to protect against fungal rot, decay, termites and wood-boring insects in unfinished wood and various fabricated wood products.
In 1933, Kamesam added Copper sulphate as an anti-fungal to the formula of Wolman Salts which worked against termite damage. In addition Kamesam introduced the use of chromium to bind the two salts to the fibres of wood. He received an Indian patent in 1933, a British patent in 1934 and a US patent in 1938. [5] [6] [7] [8]
The copper acts primarily to protect the wood against decay, fungi, and bacteria, while the arsenic is the main insecticidal component, providing protection from wood-attacking insects including termites and marine borers. It also improves the weather resistance of treated timber and may assist paint adherence in the long term.
Boric acid has also been widely used in the treatment of wood for protection against termites. The full complexity of its mechanism is not fully understood, but aside from causing dose-dependent mortality, boric acid causes dysbiosis in the Eastern Subterranean termite , leading to the opportunistic rise of insect pathogens that could be ...
Termites are a group of detritophagous eusocial insects which consume a variety of decaying plant material, generally in the form of wood, leaf litter, and soil humus.They are distinguished by their moniliform antennae and the soft-bodied and often unpigmented worker caste for which they have been commonly termed "white ants"; however, they are not ants, being more closely related to ...